function nav_over(item){
	item.parentNode.getElementsByTagName("div")[0].style.display = "block";
}

function nav_out(item){
	item.parentNode.getElementsByTagName("div")[0].style.display = "none";
}

function preview_over(item){
	item.style.paddingTop = "3px";
	item.style.margin = "0px -7px -2px -7px";
	item.style.border = "2px dotted #333333";
}

function preview_out(item){
	item.style.paddingTop = "5px";
	item.style.margin = "0px -5px";
	item.style.border = "none";
}

function preview_click(item){
	window.parent.location.href = item.getElementsByTagName("a")[0].href;
}

function field_focus(item){
	item.style.color = "#ffffff";
	item.style.border = "1px solid #999999";
}

function field_blur(item){
	item.style.color = "#999999";
	item.style.border = "1px solid #666666";
}

function pic_over(item){
	item.style.border = "5px solid #666666";
}

function pic_out(item){
	item.style.border = "5px solid #444444";
}

function open_viewer(loc){
	var data = "<img src=\"" + loc.src + "\" alt=\"\" /><p class='pic_title'>" + loc.title + "</p>";
	document.getElementById("image_container").innerHTML=data;
	document.getElementById("background_overlay").style.MozOpacity = "0.7";
	document.getElementById("background_overlay").style.filter = "alpha(opacity=70)";
	document.getElementById("background_overlay").style.opacity = "0.7";
	document.getElementById("viewer").style.display = "block";
}

function close_viewer(){

	document.getElementById("viewer").style.display = "none";
}